68127640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{34759}}^1$

素因数の和:34784

約数の個数: 48

約数和(自身を含む): 178318800

約数和(自身を除く): 110191160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 34759, 69518, 139036, 173795, 243313, 278072, 347590, 486626, 695180, 973252, 1216565, 1390360, 1703191, 1946504, 2433130, 3406382, 4866260, 6812764, 8515955, 9732520, 13625528, 17031910, 34063820, 68127640]

約数ペア:

[(1, 68127640), (2, 34063820), (4, 17031910), (5, 13625528), (7, 9732520), (8, 8515955), (10, 6812764), (14, 4866260), (20, 3406382), (28, 2433130), (35, 1946504), (40, 1703191), (49, 1390360), (56, 1216565), (70, 973252), (98, 695180), (140, 486626), (196, 347590), (245, 278072), (280, 243313), (392, 173795), (490, 139036), (980, 69518), (1960, 34759)]